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发明名称
EINSTUFIGE FERROFLUIDDICHTUNG
摘要
申请公布号
DE3145426(A1)
申请公布日期
1982.07.01
申请号
DE19813145426
申请日期
1981.11.16
申请人
FERROFLUIDICS CORP.
发明人
RAJ,KULDIP
分类号
F16J15/43;G11B33/14;(IPC1-7):F16J15/44;G06F3/06;G11B5/01;G11B19/20
主分类号
F16J15/43
代理机构
代理人
主权项
地址
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